8. Share Purchase Warrants (Details)	6 Months Ended
Mar. 31, 2020 $ / shares shares
Details
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance \| shares	8,925,334
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance \| $ / shares	$ 0.10
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares	2,722,224
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares	$ 0.17
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period \| shares	(4,310,807)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price \| $ / shares	$ 0.07
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance \| shares	7,336,751
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance \| $ / shares	$ 0.14

Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

+ References

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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